Gyro device for Models RC helicopters and Airplanes, or anywhere you want gyro mechanism. Gyro's can hold your model stable in one axis (even in 3 axis). you can use it for RC models, Robot even in AI (Artificial Intelligence) Devices. Spartan & Logictech gyro is an example of Technology in Gyro device with the models LTG-2100 and LTG-6100. Offer more Heading Hold than other old design gyros.